20220340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{439}}^1$

素因数の和:509

約数の個数: 72

約数和(自身を含む): 50561280

約数和(自身を除く): 30340940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 49, 70, 94, 98, 140, 188, 196, 235, 245, 329, 439, 470, 490, 658, 878, 940, 980, 1316, 1645, 1756, 2195, 2303, 3073, 3290, 4390, 4606, 6146, 6580, 8780, 9212, 11515, 12292, 15365, 20633, 21511, 23030, 30730, 41266, 43022, 46060, 61460, 82532, 86044, 103165, 107555, 144431, 206330, 215110, 288862, 412660, 430220, 577724, 722155, 1011017, 1444310, 2022034, 2888620, 4044068, 5055085, 10110170, 20220340]

約数ペア:

[(1, 20220340), (2, 10110170), (4, 5055085), (5, 4044068), (7, 2888620), (10, 2022034), (14, 1444310), (20, 1011017), (28, 722155), (35, 577724), (47, 430220), (49, 412660), (70, 288862), (94, 215110), (98, 206330), (140, 144431), (188, 107555), (196, 103165), (235, 86044), (245, 82532), (329, 61460), (439, 46060), (470, 43022), (490, 41266), (658, 30730), (878, 23030), (940, 21511), (980, 20633), (1316, 15365), (1645, 12292), (1756, 11515), (2195, 9212), (2303, 8780), (3073, 6580), (3290, 6146), (4390, 4606)]